                 :last-clusters (:base-clusters conv)
                 :cluster-iters (:base-iters opts'))))
      
-    :group-clusters
+     :group-clusters
         (plmb/fnk [conv rating-mat base-clusters opts']
           (sort-by :id
           (kmeans

                group-clusters
                base-clusters))))

   :bid-to-pid
           (plmb/fnk [base-clusters]
             (map :members(sort-by :id (:base-clusters base-clusters))))
     }))

     :proj  (plmb/fnk [mat pca]
                      (pca-project mat pca))

     :base-clusters
          (plmb/fnk [conv rating-mat proj opts']
           (sort-by :id
            (kmeans (assoc rating-mat :matrix proj)
